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nikklg [1K]
3 years ago
13

A light year is a measure of O length O speed O time O volume

Chemistry
1 answer:
Goryan [66]3 years ago
8 0

Answer:

length

Explanation:

It's the distance covered by light in one year.

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Compute 4.62 × 4.48697. Round the answer appropriately
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Describe a mechanical property of steel that characterizes its resistance to permanent deformation
strojnjashka [21]

The mechanical property of steel that characterizes its resistance to permanent deformation is ductility.

Am alloy is a substance prepared by adding one or more elements to a base or parent metal to obtain desirable properties.

Steel is an alloy of Iron and carbon in the composition of 99.8% and 0.2% respectively.

The mechanical or physical properties of steel include:

  • It is more malleable and ductile than iron.
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The ductility of a metal like steel is the ability of a metal to change its shape without breaking, that is, resistance to permanent deformation.

Therefore, the mechanical property of steel that characterizes its resistance to permanent deformation is ductility.

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brainly.com/question/21706983

8 0
3 years ago
The reaction of an acid and a base produce water and a
katrin [286]

Answer:

The answer is " salt".

Explanation:

Hey there!

When any acids and base react with eachother, they forms water and respective salts.

For example:

HCl + NAOH = NACl + H2O.

<em>Hope it helps!</em>

7 0
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Is oxygen a necessary reactant for oxidation reaction ​
storchak [24]

Answer:

Oxidation: A process in which an atom loses an electron and therefore increases its oxidation number. ... So oxidation reactions need not involve oxygen. This redox reaction is actually the sum of two separate half-reactions (a reduction half-reaction and an oxidation half-reaction).

Explanation:

Hope this helped!

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3 years ago
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